| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.65 | -0.15 |
| Feb | 3.46 | 3.56 | -0.10 |
| Mar | 4.56 | 4.54 | 0.02 |
| Apr | 4.96 | 5.04 | -0.08 |
| May | 5.39 | 5.37 | 0.02 |
| Jun | 4.95 | 4.85 | 0.10 |
| Jul | 4.69 | 4.55 | 0.14 |
| Aug | 3.78 | 3.41 | 0.37 |
| Sep | 3.56 | 3.73 | -0.17 |
| Oct | 3.84 | 3.64 | 0.20 |
| Nov | 3.64 | 3.70 | -0.06 |
| Dec | 4.24 | 4.39 | -0.15 |
50.57 | 50.43 | 0.14 |